| Austromitra planata | |
|---|---|
| Specimen from the Auckland War Memorial Museum | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Family: | Costellariidae |
| Genus: | Austromitra |
| Species: | A. planata |
| Binomial name | |
| Austromitra planata (Hutton, 1885) | |
| Synonyms | |
| |
Austromitra planata is a species of sea snail, a marine gastropod mollusk, in the family Costellariidae, the ribbed miters.

This species occurs in New Zealand Exclusive Economic Zone.